Revert of Avoid style clobbering in setCompositionFromExistingText.

Source/core/editing/markers/DocumentMarkerControllerTest.cpp

Index: Source/core/editing/markers/DocumentMarkerControllerTest.cpp
diff --git a/Source/core/editing/markers/DocumentMarkerControllerTest.cpp b/Source/core/editing/markers/DocumentMarkerControllerTest.cpp
index 1f04a20d18c38fac8163f21aabcb8a2a79f1b0c0..3c5fdee4e95e32034675efaad0b63b4520ad8d54 100644
--- a/Source/core/editing/markers/DocumentMarkerControllerTest.cpp
+++ b/Source/core/editing/markers/DocumentMarkerControllerTest.cpp
@@ -54,7 +54,6 @@
 
     PassRefPtrWillBeRawPtr<Text> createTextNode(const char*);
     void markNodeContents(PassRefPtrWillBeRawPtr<Node>);
-    void markNodeContentsWithComposition(PassRefPtrWillBeRawPtr<Node>);
     void setBodyInnerHTML(const char*);
 
 private:
@@ -81,15 +80,6 @@
     document().updateLayout();
     auto range = EphemeralRange::rangeOfContents(*node);
     markerController().addMarker(range.startPosition(), range.endPosition(), DocumentMarker::Spelling);
-}
-
-void DocumentMarkerControllerTest::markNodeContentsWithComposition(PassRefPtrWillBeRawPtr<Node> node)
-{
-    // Force layoutObjects to be created; TextIterator, which is used in
-    // DocumentMarkerControllerTest::addMarker(), needs them.
-    document().updateLayout();
-    auto range = EphemeralRange::rangeOfContents(*node);
-    markerController().addCompositionMarker(range.startPosition(), range.endPosition(), Color::black, false, Color::black);
 }
 
 void DocumentMarkerControllerTest::setBodyInnerHTML(const char* bodyContent)
@@ -227,22 +217,4 @@
     EXPECT_NE(renderedRects[0], newRenderedRects[0]);
 }
 
-TEST_F(DocumentMarkerControllerTest, UpdateRenderedRectsForComposition)
-{
-    IntRect invalidRect(RenderedDocumentMarker::create(DocumentMarker(0, 0, false))->renderedRect());
-
-    setBodyInnerHTML("<div style='margin: 100px'>foo</div>");
-    RefPtrWillBeRawPtr<Element> div = toElement(document().body()->firstChild());
-    markNodeContentsWithComposition(div);
-    Vector<IntRect> renderedRects = markerController().renderedRectsForMarkers(DocumentMarker::Composition);
-    EXPECT_EQ(1u, renderedRects.size());
-    EXPECT_NE(invalidRect, renderedRects[0]);
-
-    div->setAttribute(HTMLNames::styleAttr, "margin: 200px");
-    document().updateLayout();
-    Vector<IntRect> newRenderedRects = markerController().renderedRectsForMarkers(DocumentMarker::Composition);
-    EXPECT_EQ(1u, newRenderedRects.size());
-    EXPECT_NE(renderedRects[0], newRenderedRects[0]);
-}
-
 } // namespace blink